org.apache.activemq.transport.auto

Class AutoTcpTransportServer

java.lang.Object

org.apache.activemq.util.ServiceSupport

org.apache.activemq.transport.TransportServerSupport

org.apache.activemq.transport.TransportServerThreadSupport

org.apache.activemq.transport.tcp.TcpTransportServer

org.apache.activemq.transport.auto.AutoTcpTransportServer

All Implemented Interfaces:

Runnable, org.apache.activemq.Service, org.apache.activemq.transport.TransportServer, org.apache.activemq.util.ServiceListener

Direct Known Subclasses:

AutoNIOSSLTransportServer, AutoSslTransportServer

public class AutoTcpTransportServer
extends org.apache.activemq.transport.tcp.TcpTransportServer

A TCP based implementation of TransportServer

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	AutoTcpTransportServer.ProtocolInfo

Nested classes/interfaces inherited from class org.apache.activemq.transport.tcp.TcpTransportServer

org.apache.activemq.transport.tcp.TcpTransportServer.TransportInfo

Field Summary

Fields

Modifier and Type	Field and Description
protected Map<String,Object>	autoTransportOptions
protected BrokerService	brokerService
protected Set<String>	enabledProtocols
protected int	maxConnectionThreadPoolSize
protected ThreadPoolExecutor	newConnectionExecutor
protected ThreadPoolExecutor	protocolDetectionExecutor
protected int	protocolDetectionTimeOut
protected Map<String,ProtocolVerifier>	protocolVerifiers
protected Map<String,Map<String,Object>>	wireFormatOptions

Fields inherited from class org.apache.activemq.transport.tcp.TcpTransportServer

allowLinkStealing, backlog, connectionTimeout, currentTransportCount, dynamicManagement, jmxPort, logWriterName, maximumConnections, maxInactivityDuration, maxInactivityDurationInitalDelay, minmumWireFormatVersion, selector, serverSocket, serverSocketFactory, socketBufferSize, socketHandlerThread, socketQueue, soTimeout, startLogging, trace, transportFactory, useQueueForAccept, verifyHostName, wireFormatFactory

Fields inherited from class org.apache.activemq.transport.TransportServerSupport

transportOptions

Constructor Summary

Constructors

Constructor and Description
AutoTcpTransportServer(org.apache.activemq.transport.tcp.TcpTransportFactory transportFactory, URI location, ServerSocketFactory serverSocketFactory, BrokerService brokerService, Set<String> enabledProtocols)

Method Summary

Modifier and Type	Method and Description
protected String	append(String currentScheme, String scheme)
protected org.apache.activemq.transport.tcp.TcpTransportServer.TransportInfo	configureTransport(org.apache.activemq.transport.tcp.TcpTransportServer server, Socket socket)
protected org.apache.activemq.transport.tcp.TcpTransport	createTransport(Socket socket, org.apache.activemq.wireformat.WireFormat format, org.apache.activemq.transport.tcp.TcpTransportFactory detectedTransportFactory, org.apache.activemq.transport.tcp.TcpTransport.InitBuffer initBuffer)
protected AutoTcpTransportServer.ProtocolInfo	detectProtocol(byte[] buffer)
protected void	doStop(org.apache.activemq.util.ServiceStopper stopper)
org.apache.activemq.transport.TransportFactory	findTransportFactory(String scheme, Map<String,?> options)
org.apache.activemq.wireformat.WireFormatFactory	findWireFormatFactory(String scheme, Map<String,Map<String,Object>> options)
int	getMaxConnectionThreadPoolSize()
protected void	handleSocket(Socket socket)
protected void	initOpenWireProtocolVerifier()
protected void	initProtocolVerifiers()
protected boolean	isAllProtocols()
void	setAutoTransportOptions(Map<String,Object> autoTransportOptions)
void	setEnabledProtocols(Set<String> enabledProtocols)
void	setMaxConnectionThreadPoolSize(int maxConnectionThreadPoolSize) Set the number of threads to be used for processing connections.
void	setProtocolDetectionTimeOut(int protocolDetectionTimeOut)
void	setWireFormatFactory(org.apache.activemq.wireformat.WireFormatFactory factory)
void	setWireFormatOptions(Map<String,Map<String,Object>> wireFormatOptions)
protected void	waitForProtocolDetectionFinish(Future<?> future, AtomicInteger readBytes)

Methods inherited from class org.apache.activemq.transport.tcp.TcpTransportServer

bind, createTransport, doHandleSocket, doStart, getBacklog, getConnectionTimeout, getCurrentTransportCount, getJmxPort, getLogWriterName, getMaximumConnections, getMaxInactivityDuration, getMaxInactivityDurationInitalDelay, getMinmumWireFormatVersion, getSocketAddress, getSocketBufferSize, getSoTimeout, getWireFormatFactory, isAllowLinkStealing, isDynamicManagement, isSslServer, isStartLogging, isTrace, isUseQueueForAccept, resolveHostName, run, setAllowLinkStealing, setBacklog, setBrokerInfo, setConnectionTimeout, setDynamicManagement, setJmxPort, setLogWriterName, setMaximumConnections, setMaxInactivityDuration, setMaxInactivityDurationInitalDelay, setMinmumWireFormatVersion, setSocketBufferSize, setSoTimeout, setStartLogging, setTrace, setUseQueueForAccept, started, stopped, toString

Methods inherited from class org.apache.activemq.transport.TransportServerThreadSupport

getStackSize, isDaemon, isJoinOnStop, setDaemon, setJoinOnStop, setStackSize

Methods inherited from class org.apache.activemq.transport.TransportServerSupport

getAcceptListener, getBindLocation, getConnectURI, onAcceptError, setAcceptListener, setBindLocation, setConnectURI, setTransportOption

Methods inherited from class org.apache.activemq.util.ServiceSupport

addServiceListener, dispose, isStarted, isStopped, isStopping, postStop, preStart, removeServiceListener, start, stop

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.activemq.Service

start, stop

Field Detail

wireFormatOptions

protected Map<String,Map<String,Object>> wireFormatOptions

autoTransportOptions

protected Map<String,Object> autoTransportOptions

enabledProtocols

protected Set<String> enabledProtocols

protocolVerifiers

protected final Map<String,ProtocolVerifier> protocolVerifiers

brokerService

protected BrokerService brokerService

newConnectionExecutor

protected final ThreadPoolExecutor newConnectionExecutor

protocolDetectionExecutor

protected final ThreadPoolExecutor protocolDetectionExecutor

maxConnectionThreadPoolSize

protected int maxConnectionThreadPoolSize

protocolDetectionTimeOut

protected int protocolDetectionTimeOut

Constructor Detail

AutoTcpTransportServer

public AutoTcpTransportServer(org.apache.activemq.transport.tcp.TcpTransportFactory transportFactory,
                              URI location,
                              ServerSocketFactory serverSocketFactory,
                              BrokerService brokerService,
                              Set<String> enabledProtocols)
                       throws IOException,
                              URISyntaxException

Parameters:

transportFactory -

location -

serverSocketFactory -

Throws:

IOException

URISyntaxException

Method Detail

findWireFormatFactory

public org.apache.activemq.wireformat.WireFormatFactory findWireFormatFactory(String scheme,
                                                                              Map<String,Map<String,Object>> options)
                                                                       throws IOException

Throws:

IOException

findTransportFactory

public org.apache.activemq.transport.TransportFactory findTransportFactory(String scheme,
                                                                           Map<String,?> options)
                                                                    throws IOException

Throws:

IOException

append

protected String append(String currentScheme,
                        String scheme)

getMaxConnectionThreadPoolSize

public int getMaxConnectionThreadPoolSize()

setMaxConnectionThreadPoolSize

public void setMaxConnectionThreadPoolSize(int maxConnectionThreadPoolSize)

Set the number of threads to be used for processing connections. Defaults to Integer.MAX_SIZE. Set this value to be lower to reduce the number of simultaneous connection attempts. If not set then the maximum number of threads will generally be controlled by the transport maxConnections setting: TcpTransportServer.setMaximumConnections(int).

Note that this setter controls two thread pools because connection attempts require 1 thread to start processing the connection and another thread to read from the socket and to detect the protocol. Two threads are needed because some transports block on socket read so the first thread needs to be able to abort the second thread on timeout. Therefore this setting will set each thread pool to the size passed in essentially giving 2 times as many potential threads as the value set.

Both thread pools will close idle threads after a period of time essentially allowing the thread pools to grow and shrink dynamically based on load.

Parameters:

maxConnectionThreadPoolSize -

See Also:

TcpTransportServer#setMaximumConnections(int)}.

setProtocolDetectionTimeOut

public void setProtocolDetectionTimeOut(int protocolDetectionTimeOut)

setWireFormatFactory

public void setWireFormatFactory(org.apache.activemq.wireformat.WireFormatFactory factory)

Overrides:

setWireFormatFactory in class org.apache.activemq.transport.tcp.TcpTransportServer

initProtocolVerifiers

protected void initProtocolVerifiers()

initOpenWireProtocolVerifier

protected void initOpenWireProtocolVerifier()

isAllProtocols

protected boolean isAllProtocols()

handleSocket

protected void handleSocket(Socket socket)

Overrides:

handleSocket in class org.apache.activemq.transport.tcp.TcpTransportServer

configureTransport

protected org.apache.activemq.transport.tcp.TcpTransportServer.TransportInfo configureTransport(org.apache.activemq.transport.tcp.TcpTransportServer server,
                                                                                                Socket socket)
                                                                                         throws Exception

Overrides:

configureTransport in class org.apache.activemq.transport.tcp.TcpTransportServer

Throws:

Exception

waitForProtocolDetectionFinish

protected void waitForProtocolDetectionFinish(Future<?> future,
                                              AtomicInteger readBytes)
                                       throws Exception

Throws:

Exception

createTransport

protected org.apache.activemq.transport.tcp.TcpTransport createTransport(Socket socket,
                                                                         org.apache.activemq.wireformat.WireFormat format,
                                                                         org.apache.activemq.transport.tcp.TcpTransportFactory detectedTransportFactory,
                                                                         org.apache.activemq.transport.tcp.TcpTransport.InitBuffer initBuffer)
                                                                  throws IOException

Parameters:

socket -

format -

detectedTransportFactory -

Returns:

Throws:

IOException

setWireFormatOptions

public void setWireFormatOptions(Map<String,Map<String,Object>> wireFormatOptions)

setEnabledProtocols

public void setEnabledProtocols(Set<String> enabledProtocols)

setAutoTransportOptions

public void setAutoTransportOptions(Map<String,Object> autoTransportOptions)

doStop

protected void doStop(org.apache.activemq.util.ServiceStopper stopper)
               throws Exception

Overrides:

doStop in class org.apache.activemq.transport.tcp.TcpTransportServer

Throws:

Exception

detectProtocol

protected AutoTcpTransportServer.ProtocolInfo detectProtocol(byte[] buffer)
                                                      throws IOException

Throws:

IOException